Also, if you are no longer using the term frequency at all, you might
consider wiring your score (the one you are currently wiring into payloads)
in there, in place of the term frequency.
On Mar 13, 2018 6:57 AM, "Erik Hatcher" <erik.hatc...@gmail.com> wrote:
> Payloads are only scored from certain query types. What query are you
> executing?
>
> > On Mar 13, 2018, at 04:58, Grdan Eenc <erdan.g...@googlemail.com> wrote:
> >
> > Hej there,
> >
> > I want to extend the TFIDF Similarity class such that the term frequency
> is
> > neglected and the value in the payload used instead. Therefore I
> basically
> > do this:
> >
> > @Override
> > public float tf(float freq) {
> > return 1f;
> > }
> >
> > public float scorePayload(int doc, int start, int end, BytesRef
> > payload) {
> > if (payload != null) {
> > return PayloadHelper.decodeFloat(payload.bytes,
> payload.offset);
> > } else {
> > return 1f;
> > }
> > }
> >
> > Complete class can be found here:
> >
> > https://gist.github.com/nadre/66be2a2a32214f2c5ec1ec1f6edcef08
> >
> > Unfortunately the scorePayload never gets called and I end up with the
> > wrong scoring. I know that scorePayload is deprecated in Lucene 7.2.1 but
> > it should work in 7.1.0 or am I missing something?
> >
> > I implemented the same thing by directly extending the basic Similarity
> > class and iterating through doc terms using the LeafReaderContext, based
> on
> > the code in this repo:
> >
> > https://github.com/sdauletau/elasticsearch-position-similarity
> >
> > This works but is horribly slow which is why I would prefer the first
> idea.
> >
> > Any idea why scorePayload doesn't get called? I really couldn't find any
> > resources on the net.
> >
> > Best, Erdan.
>
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